Air purifier



1. Air purifier

1.1 is a perspective view showing the air purifier of my design;

1.2 is a front elevational view thereof;

1.3 is a rear elevational view thereof;

1.4 is a left side, elevational view thereof;

1.5 is a right side elevational view thereof;

1.6 is a top plan view thereof; and

1.7 is a bottom plan view thereof.

The portions of the air purifier shown in broken lines are included for the purpose of illustrating unclaimed portions of the air purifier and form no part of the claimed design. 

CLAIM The ornamental design for an air purifier, as shown and described. 